Answer:
Metal or bone I may be, many teeth I have and always bared. Yet my bite harms no one. And ladies delight in my touch.
They try to beat me, they try in vain. And when I win, I end the pain.
Only two backbones and thousands of ribs.
If you're stealing honey, be prepared to receive vengeance in this form.
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is an arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows. My last will put an end to it all.
When is it bad luck to see a black cat?